Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently rising in Mattapoisett Harbor, MA.
Next low tide (tomorrow) : 2:16 am (0.0 ft)
Next high tide : in 4h 59m at 7:47 pm (5.0 ft)
Sunset today : 7:48 pm
Sunrise tomorrow : 5:47 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Mattapoisett Harbor, MA Tides - May 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:494.38:145.41:32-0.51:24-0.55:407:40Full Moon1Mon
2Tue8:404.49:045.52:25-0.62:11-0.65:387:41Full Moon2Tue
3Wed9:314.39:565.33:18-0.53:00-0.55:377:42Full Moon3Wed
4Thu10:244.210:495.14:10-0.43:49-0.35:367:43Waning Gibbous4Thu
5Fri11:194.111:464.75:00-0.24:39-0.15:347:44Waning Gibbous5Fri
6Sat12:173.95:550.15:320.25:337:45Waning Gibbous6Sat
7Sun12:464.31:163.87:100.46:350.55:327:46Third Quarter7Sun
8Mon1:464.02:163.78:480.68:380.85:317:48Third Quarter8Mon
9Tue2:463.73:163.69:530.610:180.75:307:49Third Quarter9Tue
10Wed3:453.54:173.710:400.611:130.75:297:50Third Quarter10Wed
11Thu4:453.45:163.811:110.511:540.65:277:51Waning Crescent11Thu
12Fri5:403.46:073.911:330.55:267:52Waning Crescent12Fri
13Sat6:283.46:514.112:260.511:58 AM0.45:257:53Waning Crescent13Sat
14Sun7:103.47:304.212:570.412:280.35:247:54Waning Crescent14Sun
15Mon7:493.48:054.21:310.31:020.25:237:55New Moon15Mon
16Tue8:263.58:394.22:080.21:400.25:227:56New Moon16Tue
17Wed9:033.49:124.12:470.12:190.25:217:57New Moon17Wed
18Thu9:403.49:464.03:260.22:590.25:207:58New Moon18Thu
19Fri10:183.310:233.84:030.23:390.35:207:59Waxing Crescent19Fri
20Sat10:593.211:043.74:380.34:180.45:198:00Waxing Crescent20Sat
21Sun11:453.211:513.65:120.44:580.55:188:01Waxing Crescent21Sun
22Mon12:343.25:500.55:430.55:178:02Waxing Crescent22Mon
23Tue12:423.61:253.36:360.66:380.65:168:03First Quarter23Tue
24Wed1:353.52:173.57:330.67:480.75:158:03First Quarter24Wed
25Thu2:293.63:113.78:360.59:090.65:158:04First Quarter25Thu
26Fri3:273.64:094.19:340.310:240.45:148:05Waxing Gibbous26Fri
27Sat4:303.65:094.510:270.111:280.15:138:06Waxing Gibbous27Sat
28Sun5:343.86:074.911:17-0.15:138:07Waxing Gibbous28Sun
29Mon6:343.97:025.212:23-0.112:06-0.35:128:08Waxing Gibbous29Mon
30Tue7:294.17:555.41:17-0.212:55-0.45:128:09Full Moon30Tue
31Wed8:224.28:485.42:13-0.31:47-0.45:118:09Full Moon31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447531)

Common Questions About Mattapoisett Harbor, MA Tides

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What time does the tide turn (slack tide) in Mattapoisett Harbor, MA today?

Slack tide in Mattapoisett Harbor, MA is approximately 11:01 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Mattapoisett Harbor, MA?

Mattapoisett Harbor, MA is currently in a spring phase. Tonight's moon is 2% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Mattapoisett Harbor, MA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Mattapoisett Harbor, MA?

Tide predictions for Mattapoisett Harbor, MA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Mattapoisett Harbor, MA?

Tide data for Mattapoisett Harbor, MA is sourced from NOAA Station #8447531. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447531.

What is the moon phase in Mattapoisett Harbor, MA tonight?

Tonight the moon over Mattapoisett Harbor, MA is New Moon (2% illuminated). This places Mattapoisett Harbor, MA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA